نتایج جستجو برای: radioadaptive response

تعداد نتایج: 977319  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1390

abstract venlafaxine, 1–[2–(dimethylamino)–1–(4–methoxyphenyl) ethyl]cyclohexanol hydrochloride is a novel non-tricyclic antidepressant. venlafaxine is a second generation antidepressant drug, has a neuropharmacologic profile distinct from that of existing antidepressants including tricyclic compounds, selective serotonin reuptake inhibitors and monoamine oxidase inhibitors. venlafaxine impart...

2016
M. Alavi S. Taeb M.A. Okhovat M. Atefi F. Negahdari

BACKGROUND Hormesis is defined as the bio-positive response of something which is bio-negative in high doses. In the present study, the effect of radiation hormesis was evaluated on the survival rate of immunosuppressed BALB/c mice by Cyclosporine A. MATERIAL AND METHODS We used 75 consanguine, male, BALB/c mice in this experiment. The first group received Technetium-99m and the second group ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده ادبیات 1389

the present study reports an analysis of response articles in four different disciplines in the social sciences, i.e., linguistics, english for specific purposes (esp), accounting, and psychology. the study has three phases: micro analysis, macro analysis, and e-mail interview. the results of the micro analysis indicate that a three-level linguistic pattern is used by the writers in order to cr...

Journal: :Journal of radiological protection : official journal of the Society for Radiological Protection 2016
Balázs G Madas

There is experimental and histological evidence that chronic irritation and cell death may cause hyperplasia in the exposed tissue. As the heterogeneous deposition of inhaled radon progeny results in high local doses at the peak of the bronchial bifurcations, it was proposed earlier that hyperplasia occurs in these deposition hot spots upon chronic radon exposure. The objective of the present s...

Journal: :Biochemical Society transactions 1997
K M Joyce B M Hannigan W S Gilmore J M Allen

Exposure to DNA damaging agents is known to induce an adaptive response in a variety of eukaryotic cells. Cells can become radioresistant to the damaging effects of ionizing radiation when pretreated with a lower, conditioning radiation dose [l]. An adaptive response has been described for a variety of eukaryotic cells exposed to numerous chemical and physical agents, in particular ioinizing ra...

Journal: :International journal of oncology 2013
Kazutaka Koto Hiroaki Murata Shinya Kimura Yasushi Sawai Naoyuki Horie Takaaki Matsui Kazuteru Ryu Eishi Ashihara Taira Maekawa Toshikazu Kubo Shinji Fushiki

Zoledronic acid (ZOL), a third-generation bisphosphonate, inhibits bone resorption, as well as exhibiting direct antitumor activity. To date, however, the combined effects of ZOL and ionizing radiation (IR) have not been assessed in patients with soft tissue sarcoma. We have, therefore, assessed the combined effects of ZOL and IR in fibrosarcoma cells. HT1080 fibrosarcoma cells were treated wit...

M Sheikhi, N Shokrpour P Mokarram S M J Mortazavi, S Saeb

Background: Over the past several years, the rapidly increasing use of mobile phones has raised global concerns about the biological effects of exposure to radiofrequency (RF) radiation. Numerous studies have shown that exposure to electromagnetic fields (EMFs) can be associated with effects on the nervous, endocrine, immune, cardiovascular, hematopoietic and ocular systems. In spite of genetic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده فنی و مهندسی 1388

بتن خود متراکم یا بتن نسل جدید (self compacting concrete)، بتنی است که استفاده از آن با روند چشمگیری رو به افزایش می باشد. این نوع بتن بدون نیاز به هیچگونه ویبره داخلی یا خارجی قادر به اجرا در هر نوع سازه بتنی می باشد. در این تحقیق بررسی رفتار برشی تیرهای پیش تنیده ساخته شده با بتن خود متراکم با استفاده از آنالیز عددی انجام گرفته است. روش های عددی یکی از روش های مقرون به صرفه در آنالیز سازه ه...

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